Mobile money and banking services have seen significant adoption around the world. In Japan, over 35 million people use mobile wallet services, while 10 million Japanese made a mobile purchase in December. M-Pesa in Kenya has over 35% of the population as users, processing amounts equal to 25% of Kenya's GDP. Airtel plans to launch mobile wallet services across 15 African countries in 2011. Mobile banking apps from banks like Sparkasse in Germany and Rabobank in the Netherlands provide full banking functions on smartphones. Operators are also moving into banking through investments and partnerships to capitalize on the growth of mobile financial services.